Home / 18,389.43-27,562.54-8,507.83

Finding the Fourth Proportional to 18,389.43, 27,562.54 and 8,507.83

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Solution

The fourth proportional to 18,389.43, 27,562.54 and 8,507.83 is: 12,751.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,389.43 : 27,562.54 = 8,507.83 : x
  2. Step 2: Convert to fraction form
    18,389.43/27,562.54 = 8,507.83/x
  3. Step 3: Cross multiply
    18,389.43x = 27,562.54 × 8,507.83
  4. Step 4: Simplify right side
    18,389.43x = 234,497,383.42
  5. Step 5: Solve for x
    x = 234,497,383.42/18,389.43
  6. Step 6: Final answer
    x = 12,751.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.